Inventor · disambiguated record
Hiroshi Nakagaki
Also filed as: NAKAGAKI HIROSHI
4 granted patents·96 citations·filing 1982–2014
78Inventor score
Files withCHIYODA KOHAN CO LTD1CHUGAI RO KOGYO KAISHA LTD1NIPPON STEEL CHEMICAL CO1SUMITOMO ELECTRIC INDUSTRIES1
Top patents by PatentIndex Score
4 records- 0184US9499415B2Ultraviolet irradiation apparatusCHIYODA KOHAN CO LTD·Filed 2014·Granted Nov 22, 2016·7 cites·12 claims
- 0284US5254325AProcess and apparatus for preparing carbon blackNIPPON STEEL CHEMICAL CO·Filed 1992·Granted Oct 19, 1993·58 cites·11 claims
- 0369US5421852AHard alloy and its manufacturing methodSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jun 6, 1995·21 cites·8 claims
- 0447US4457694AAutomatic air-fuel ratio control apparatusCHUGAI RO KOGYO KAISHA LTD·Filed 1982·Granted Jul 3, 1984·10 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →